Summary
Summary Atom Basics
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Chemistry basics about atoms and isotopes. Math examples and how to’s included. Basic chemistry concept necessary in all levels of chemistry,
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Atom smallest particleELATION
Pt Mass 1.673 10 4 Nina
in nucleus
É Identity of element
n mass 1.675 10 924 N amu
in nucleus
e
mass 1
2000 of a pt somas of an
s most
atomisothin
radius 10 Em meaningless ÉO
hpty
Nucleus
atom radius 10 m
worse
empty
P
betwee
so atom mainly empty space
d
meaningful
symbol
nuclear mass
mass of ntiets
2
elements
teToItof c
differ Gyatomic number
mass
Ex Atomic number of pt
Ex How many Pt
H n I l e n
79
He 2 A 2 2 p 7
197 e na
0 8 17 8 9 I Sn
ygAY 50 n 69
U 92 238 92 14
assume e
For now p
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